FR2272403B1 - - Google Patents

Info

Publication number
FR2272403B1
FR2272403B1 FR7417552A FR7417552A FR2272403B1 FR 2272403 B1 FR2272403 B1 FR 2272403B1 FR 7417552 A FR7417552 A FR 7417552A FR 7417552 A FR7417552 A FR 7417552A FR 2272403 B1 FR2272403 B1 FR 2272403B1
Authority
FR
France
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
FR7417552A
Other languages
French (fr)
Other versions
FR2272403A1 (no
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Laboratoire Central de Telecommunications SA
Original Assignee
Laboratoire Central de Telecommunications SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Laboratoire Central de Telecommunications SA filed Critical Laboratoire Central de Telecommunications SA
Priority to FR7417552A priority Critical patent/FR2272403B1/fr
Priority to DE19752521296 priority patent/DE2521296C3/de
Priority to GB2191075A priority patent/GB1509426A/en
Publication of FR2272403A1 publication Critical patent/FR2272403A1/fr
Application granted granted Critical
Publication of FR2272403B1 publication Critical patent/FR2272403B1/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
    • G01S13/76—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted
    • G01S13/762—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted with special measures concerning the radiation pattern, e.g. S.L.S.
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar Systems Or Details Thereof (AREA)
FR7417552A 1974-05-21 1974-05-21 Expired FR2272403B1 (no)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR7417552A FR2272403B1 (no) 1974-05-21 1974-05-21
DE19752521296 DE2521296C3 (de) 1974-05-21 1975-05-13 Navigationssystem mit Radargerät und Antwortgerät zur Winkelbestimmung beim Radar- und beim Antwortgerät
GB2191075A GB1509426A (en) 1974-05-21 1975-05-21 Radioelectric system for determination of the orientation of a moving body

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7417552A FR2272403B1 (no) 1974-05-21 1974-05-21

Publications (2)

Publication Number Publication Date
FR2272403A1 FR2272403A1 (no) 1975-12-19
FR2272403B1 true FR2272403B1 (no) 1978-01-13

Family

ID=9139087

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7417552A Expired FR2272403B1 (no) 1974-05-21 1974-05-21

Country Status (3)

Country Link
DE (1) DE2521296C3 (no)
FR (1) FR2272403B1 (no)
GB (1) GB1509426A (no)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2444945A1 (fr) * 1978-12-20 1980-07-18 Trt Telecom Radio Electr Systeme forme d'un dispositif interrogateur et d'un dispositif repondeur, destine notamment a la radiolocalisation
IT1209322B (it) * 1979-05-30 1989-07-16 Siemens Ag Transponder a radar secondario.

Also Published As

Publication number Publication date
DE2521296C3 (de) 1980-04-10
DE2521296B2 (de) 1979-08-09
GB1509426A (en) 1978-05-04
DE2521296A1 (de) 1975-12-04
FR2272403A1 (no) 1975-12-19

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Legal Events

Date Code Title Description
ST Notification of lapse